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Answer:
37.64 × 10²³ atoms
Explanation:
Given data:
Number of atoms = ?
Mass of sulfur = 200.0 g
Solution:
First of all we will calculate the number of moles of sulfur.
Number of moles = mass/molar mass
Number of moles = 200.0 g/ 32 g/mol
Number of moles = 6.25 mol
Number of atoms:
Avogadro number:
It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.
The number 6.022 × 10²³ is called Avogadro number.
1 mole = 6.022 × 10²³ atoms
6.25 mol × 6.022 × 10²³ atoms / 1mol
37.64 × 10²³ atoms